摘要:
A main switch consisting of a switching transistor and a current transformer is triggered at the leading edge of a main switch drive pulse. The switching transistor then starts a positive feedback operation through the current transformer and is turned on at high speed. Upon activation of the switching transistor, the magnetic core of the current transformer is saturated by the switching transistor emitter current flowing in the current transformer. Magnetic saturation of the core turns off the switching transistor with the magnetic energy stored in the current transformer. The main switch drive pulse falls after the switching transistor is turned off.
摘要:
A seat comprises a seat back including a back plate, a cushion member arranged on the side of a seating face of the back plate, a superficial skin member covering the cushion member from the side of the seating face. The back plate includes a back face portion, a ridged portion, and a flange portion. A fringe portion of the superficial skin member is overlapped to a back face of the flange portion to be joined to the flange portion. A staple cover covering the fringe portion of the superficial skin member and a portion of the superficial skin member arranged on an outer peripheral face of the seat back is provided. The superficial skin member is arranged nearer a seating face than an outer peripheral end of the staple cover and extends to the outside beyond the outer peripheral end of the staple cover.
摘要:
A seat comprises a seat back including a back plate, a cushion member arranged on the side of a seating face of the back plate, a superficial skin member covering the cushion member from the side of the seating face. The back plate includes a back face portion, a ridged portion, and a flange portion. A fringe portion of the superficial skin member is overlapped to a back face of the flange portion to be joined to the flange portion. A staple cover covering the fringe portion of the superficial skin member and a portion of the superficial skin member arranged on an outer peripheral face of the seat back is provided. The superficial skin member is arranged nearer a seating face than an outer peripheral end of the staple cover and extends to the outside beyond the outer peripheral end of the staple cover.
摘要:
A white film for a reflecting structure for surface light sources, which contains voids inside it and has a light stabilizer-containing coating film formed on at least one surface of it, is aged little with time and its brightness lowers little even when used for a long time. The white film ensures good image quality of display screens for a long time, and it is favorable to reflecting sheets and reflectors in edge light-type and direct back light-type surface light sources for liquid crystal display screens.
摘要:
An admixture for modifying the fluidity of a cementitious mixture comprises a cement-dispersing agent which is an aqueous solution of polymer, in which solution an oxyalkylene-based defoaming agent is dissolved or dispersed in particles of no greater that 20 .mu.M diameter. The polymer is preferably a polymer which comprises units derived from unsaturated carboxylic acid monomer and the polymer is preferably prepared in the presence of the defoaming agent. Particular addition copolymers give particularly good results. The admixture permits good control of the fluidity of cementitious compositions and has extended shelf life.
摘要:
A magnetic head slider producing apparatus includes a rotary lapping member having a lapping surface, a work member having a surface, and an elastic member fastened to the surface of the work member. The elastic member has [adhesion properties] adhesive characteristics. Magnetic head sliders each have a back surface, and rail surfaces in which magnetic heads are embedded. The back surface of each of the magnetic head sliders is in contact with the elastic member, and the magnetic head sliders are adhesively held by the elastic member [due to the adhesion thereof]. The work member is positioned so that the rail surface of each of the magnetic head sliders comes into contact with the lapping surface of the rotary lapping member.
摘要:
Dunaliella algae, which is rich in various kind of physiologically active ingredients, especially .beta.-carotene, can be utilized in the form of dried powder. Dried powder of Dunaliella algae is granulated together with other materials to make a granulation and the granulation is encapsulated in a hard capsule. Dried powder of Dunaliella algae is also suspended in an emulsifier along with other materials to form a suspension and the suspension is encapsulated in a soft capsule.
摘要:
A clutch interlocking mechanism for use in a pushbutton tuner wherein a drive gear provided on a clutch mechanism is meshed with a rack of a memory slide, a support bracket, on which the clutch mechanism is mounted, is supported, at one side thereof, by a frame on a chassis through a fulcrum pin and, at the opposite side thereof, provided with a tension spring to assure positive engagement of the drive gear with the rack. The clutch interlocking mechanism further comprises a resilient member provided for the fulcrum pin to eliminate looseness at the portion of the fulcrum pin.
摘要:
A pushbutton tuner comprising button slides disposed within a plane in parallel with a baseplate and link members operable by setting pins provided on the respective button slides also disposed within a plane in parallel with the baseplate. A memory slide is displaced by rotation of a free end of each link member when the setting pin moves rearwardly. Each of the link members is so disposed that a line drawn between its portion where it is pivotally connected to the basetable and its portion where it is pivotally engaged with the memory slide is parallel with the rearward movement of the setting pin. The link members each have symmetrically convexed engaging edges at opposite sides thereof. In the position where the link members are disposed on the baseplate so as to be close each other, the setting pins are adapted to act on the adjacent engaging edges of the link members.
摘要:
A method and system for processing molten slag is characterized in that molten slag is first spread onto a slag receiving means which is substantially made of a steel plate of desired thickness and is tiltably mounted on the floor of a roofed slag processing factory and is subsequently air and water-cooled such that the slag is solidified and finally is water-quenched in a cooling water pit whereby the resulting solidified slag is of practical use which neither collapses nor produces dust.